Aquarium aerator



FIG. 1 is a top perspective view of an aquarium aerator showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a rear elevational view thereof; and

FIG. 8 is a vertical sectional view thereof, taken in the direction of line 8--8 of FIG. 3. 

The ornamental design for an aquarium aerator, as shown and described. 